body{
    margin: 0px;
    padding: 0px;
}
.main{
    width: 96%;
    height: 1100px;
    margin: 0 auto;
    
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.index{
    background-color: white;
}
.list-xu{
    width: 96%;
    margin: 0 auto;
    height: 100px;
    display: flex;
    line-height: 100px;
}
.list-xu>p{
    font-size: 16px;
    width: 50px;
}